Oven



FIG. 1 is a top perspective view of a first embodiment of our new design for an oven;

FIG. 2 is a left-side elevation view thereof;

FIG. 3 is a right-side elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a front elevation view thereof;

FIG. 7 is a rear elevation view thereof;

FIG. 8 is a top perspective view of a second embodiment of our new design for an oven;

FIG. 9 is a left-side elevation view thereof;

FIG. 10 is a right-side elevation view thereof;

FIG. 11 is a top plan view thereof;

FIG. 12 is a bottom plan view thereof;

FIG. 13 is a front elevation view thereof;

FIG. 14 is a rear elevation view thereof;

FIG. 15 is a top perspective view of a third embodiment of our new design for an oven;

FIG. 16 is a left-side elevation view thereof;

FIG. 17 is a right-side elevation view thereof;

FIG. 18 is a top plan view thereof;

FIG. 19 is a bottom plan view thereof;

FIG. 20 is a front elevation view thereof; and,

FIG. 21 is a rear elevation view thereof.

The portions of the oven shown in broken line form no part of the claimed design. 

CLAIM The ornamental design for an oven, as shown and described. 